@keyframes fade-in {
    0% {
        opacity: 0;
    }

    40% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

.@{prefix}image {
    border: 0;

    &.opacity {
        opacity: 0;
    }

    &.an_fadeIn {
        animation: fade-in 1.5s forwards;
    }

    &.show {
        opacity: 1;
    }
}